Answer:
B. 36
Step-by-step explanation:
The equation in question is not well written. Let the equation be;
x²+12x+5 = 0
In order to know what number should be added to both sides of the equation, we will take the square of the half of coefficient of x as shown;
Coefficient of x = 12
Half of 12 = 1/2(12) = 6
Square of 6 = 6² = 36
Hence the required number to add to both sides of the equation by completing the square method is 36
can you help me with this question please?
I'm horrible at this please help:((((
Step-by-step explanation:
You can insert different values of x to find y
For example:
x = 4
Plug in x into the equation
y = -1/2(4) + 5
y = -2 + 5
y = 3
So your point will be (4, 3)
If you do 1 more like this, you can draw a line between them. Or you can use Desmos to graph the line.
Hope this helped you!!
y = 2x + 4.6
m = ____ b = ____
fill in the blank !!!
Answer:
m = 2, b = 4.6
Step-by-step explanation:
The slope intercept formula is y = mx + b, So you can substitute for the values given.
Which pair of points have -3 as the y-coordinate
A. Points C and G
B. Points F and E
C. Points B and D
D. Points B and L
I NEED THIS NOW PLEASEE
Please help this is due in afew hours
Answer:
We can write the equation for the first part of this problem as:
16
+
4
x
=
10
+
14
We can now solve for
4
x
:
−
16
+
16
+
4
x
=
−
16
+
24
0
+
4
x
=
8
4
x
=
8
To find the value of
8
x
we can multiply each side of this equation by
2
:
2
×
4
x
=
2
×
8
8
x
=
16
Step-by-step explanation:
What is the measure of the third angle
58
a right triangle is 90 degrees so you subtract 32 from 90 to find the remainder
Answer:
The third angle is 58 degrees
Step-by-step explanation:
In a triangle all three angles add up to 180 degrees. If you know two sides, add them up then subtract the sum from 180. This will leave you with the last angle measurement.
In a right triangle we always know there is one angle that has a measure of 90 degrees. So now we know two angles 90 and 32.
90 + 32 = 122
180 - 122 = 58
Find the value of X, Y, Z
Answer:
Answers are in photo
Step-by-step explanation:
Do it in terms of ratio
3x² ×2x³
help please
Hope you have a good day!〜
Also please tell me if I'm wrong or not...
Also also if I'm right can I please have Brainliest?
.
what is the formula to calculate velocity?
Answer:
Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.
here is a picture.
I hope this helps.
find f(-10) f(x)=7x-5
Answer:
f(-10) = -75Step-by-step explanation:
F(x) is simply another way of saying y. We are given the x value of -10. We can substitute this in for x and find y.
f(-10) = 7(-10) - 5
f(-10) = -70 - 5
f(-10) = -75
Answer:
Rewrite the equation in term of
x
and
y
.
f
(
x
)
=
2
x
2
−
7
x
+
5
Rewrite the equation in vertex form.
Tap for fewer steps...
Complete the square for
2
x
2
−
7
x
+
5
.
Tap for more steps...
2
(
x
−
7
4
)
2
−
9
8
Set
y
equal to the new right side.
y
=
2
(
x
−
7
4
)
2
−
9
8
Use the vertex form,
y
=
a
(
x
−
h
)
2
+
k
, to determine the values of
a
,
h
, and
k
.
a
=
2
h
=
7
4
k
=
−
9
8
Find the vertex
(
h
,
k
)
.
(
7
4
,
−
9
8
)
Step-by-step explanation:
negative 5 1 half plus 7 3 over 4
Answer:
[tex] 2 \dfrac{1}{4} [/tex]
Step-by-step explanation:
[tex] -5 \dfrac{1}{2} + 7 \dfrac{3}{4} = [/tex]
[tex] = -5 \dfrac{2}{4} + 7 \dfrac{3}{4} [/tex]
[tex] = 7 \dfrac{3}{4} - 5 \dfrac{2}{4} [/tex]
[tex] = 2 \dfrac{1}{4} [/tex]
6th grade please help!
Answer:
68
Step-by-step explanation:
F = 1.8(20)+32 = 68
chloe is 5 feet 4 inches tall. there are 2.54 centimeters in 1 inch. what is chloe's height in centimeters?
Answer:
Her height would be 162.56 centimeters tall.
Step-by-step explanation:
There are 12 inches in 1 foot so that would mean that 1 foot has 30. 48 centimeters.
30.48 x 5 = 152.4
Add the 4 extra inches so 4 inches in centimeters is 10.16
152.4 + 10.16 = 162.56
A family went out to eat. The bill is $65.82. The family wants to leave a 20% tip. How much tip will be added on to the cost of dinner?
Answer:
$13.16
Step-by-step explanation:
Help! Thx so much its pretty easy! u guys r da best!
Answer:
36
Step-by-step explanation:
Conjugate of z = -3-5i
Therefore the expression is equivalent to (-3+5i)(-3-5i).
(-3+5i)(-3-5i)
=(-3)^2-(5i)^2
=9-(-25)
=36
Answer:
z (the conjugate of z) = 34
Someone plz help plz T^T
The correct answer is 0.86
Find x given Circle P.
PLEASE HELP !!!
Answer:
360 - 60 = 300
x = 300
Step-by-step explanation:
Jose has 3/5 kilograms of peppermints and 2/3 kilograms of of candy canes how much candy dose he have
Distribute : 2(2x-6)
He he please
Answer:
4x -12
Step-by-step explanation:
is that what u needed lol
Step-by-step explanation:
-24 ==== ( 2×-6=-12___-12×2= -24)
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Answer:
About 48
Step-by-step explanation:
If the first two are 66 then you would add 66 + 66 to get 132 then you subtract 180 - 132 which gets you to 48.
Hope this helps :D
For each ordered pair, determine whether it is a solution to y=-3x-7.
Is it a solution?
Х
5
?
(x, y)
Yes
No
(8, -56)
(-5,8)
(-9, -23)
(4, 19)
Answer:
(-5,8)
Step-by-step explanation:
The given equation y = -3x - 7 holds true for the ordered pair, so (-5, 8) is a solution. Thus, option third is correct.
To determine whether each ordered pair is a solution to the equation y = -3x - 7, we substitute the x and y values into the equation and check if it holds true.
For the ordered pair (8, -56):
y = -3x - 7
-56 = -3(8) - 7
-56 = -24 - 7
-56 = -31
The equation does not hold true for this ordered pair, so (8, -56) is not a solution.
For the ordered pair (-5, 8):
y = -3x - 7
8 = -3(-5) - 7
8 = 15 - 7
8 = 8
The equation holds true for this ordered pair, so (-5, 8) is a solution.
For the ordered pair (-9, -23):
y = -3x - 7
-23 = -3(-9) - 7
-23 = 27 - 7
-23 = 20
The equation does not hold true for this ordered pair, so (-9, -23) is not a solution.
For the ordered pair (4, 19):
y = -3x - 7
19 = -3(4) - 7
19 = -12 - 7
19 = -19
The equation does not hold true for this ordered pair, so (4, 19) is not a solution.
Learn more about the equation here:
brainly.com/question/13947055
#SPJ4
A cherry pie has a 16 inch diameter. What is its approximate area? Round to the nearest hundredth. (Use 3.14 for π)
Answer:
200
Step-by-step explanation:
Formula to find the area: πr²
First, find the radius: 16 ÷ 2 = 8
The radius is 8. So...
= 3.14 (8²)
= 3.14 × 64
= 200.96
Rounded to the nearest hundredth: 200
Answer:
200.96
Step-by-step explanation:
A=3.14r^2(formula for area of a circle)
r=16/2=8
r=8
A=3.14*8^2=200.96
Please help ASAP i really need help
Answer:
X= 0
X= -4
x1= -4, x2=0
Step-by-step explanation:
Answer:
Step-by-step explanation:
The expression 20a + 13c is the cost (in dollars) for adults and students to enter a science center. Find the total cost for 4 adults and 24 students.
Answer:
$392
Step-by-step explanation:
Given the expression :
Total cost = 20a + 13c
a = adult
c = student
The total cost for 4 adults and 24 students
a = 4 ; c = 24
Total cost :
20(4) + 13(24)
80 + 312
= $392
solve -3 + 1/2n = 1/2 (-n + 14) in 2 different ways 30 points if u answer and show your work.
Answer:
3
Step-by-step explanation:
GUYS NEED THIS ANSWER SUPER FAST!!! ITS DUE IN 15 MINS
Answer:
21
Step-by-step explanation:
5 * (4*5+1)/5
= 5 * 21 / 5
= 21
Hope it will help
Please answer as soon as possible.
Determine whether the quantities in each table represent a proportional relationship. If yes put the constant rate otherwise put no
Answer:
There is not a proportional relationship
Step-by-step explanation:
The first and second hour the pay is $9.50/hour, but in the third hour the pay is $11/hour. Then in the fourth hour it changes again to $10/hourIf there was a proportional relationship there would need to be a constant rate of change in pay.
Answer:
Yes, the proportional relationship is 9.50
Step-by-step explanation:
In the graph that you have attached this picture with, hours x 9.50 = pay.
Hope this helps :D
if John has test scores of 90 and 76 with one test remaining to be taken, what score must he make on the last test to end up with an 86 average?
Answer: The last score must be 92%
Step-by-step explanation: To find the average, you add all the terms, then divide by the number of terms.
86 = [tex]\frac{90 + 76 + x}{3}[/tex]258 = 90 + 76 + x (multiple both sides by 3)258 = 166 + x (combine like terms)92 = x (subtract 166 from both sides)Which price is equivalent to $1.50 for 1 pound of apples?
A.. 6 pounds of apples for $9
B..8.5 pounds of apples for $9
C..9 pounds of apples for $9
D..13.5 pounds of apples for $9
what does 8+2y-5x+y=x-1
The value of x is 1/2y+3/2
Answer:
y = 2x - 3
Step-by-step explanation:
8 + 2y - 5x + y = x - 1
3y = 6x - 9
y = 2x - 3
slope is 2, y-intercept is -3